SR 530 over Bohs Slough
GoodSkagit County, Washington · 14.4 N Snohomish CO · Structure no. 000000QX0000000
- Built
- 1961
- 64 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 76 ft
- 1 main span
- Daily traffic
- 1,475
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 530 over Bohs Slough is a prestressed concrete stringer/multi-beam or girder carrying SR 530 over Bohs Slough in Skagit County, Washington. It was built in 1961, so it is 64 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,475 vehicles a day, roughly 11% of them trucks, projected to reach 2,129 by 2039. The structure is 76 ft (23.2 m) long and 25 ft wide. If it were closed, the detour would be 23 mi (37 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 530 over Bohs Slough built?
It was built in 1961, making it 64 years old in 2025.
What condition is SR 530 over Bohs Slough in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.
How much traffic does SR 530 over Bohs Slough carry?
About 1,475 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is SR 530 over Bohs Slough?
The structure is 76 ft (23.2 m) long with a longest span of 76 ft (23.2 m) and a deck 25 ft wide.
Who owns SR 530 over Bohs Slough?
It is owned by the State Highway Agency.